你好：
在1.2.71版本下，使用如下方法测试可以复现。JDK版本1.7.
public class DbInfoTest {
public static void main(String[] args) throws Exception {
String json = "{"test":"test"}";
Test t = JSON.parseObject(json,Test.class);
System.out.println(t.test);
}
}
public class Test {
public String test;
}
报错信息：
Exception in thread "main" java.lang.NoClassDefFoundError: java/time/LocalDateTime
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2595)
at java.lang.Class.getConstructor0(Class.java:2895)
at java.lang.Class.getConstructor(Class.java:1731)
at com.alibaba.fastjson.parser.deserializer.ASMDeserializerFactory.createJavaBeanDeserializer(ASMDeserializerFactory.java:90)
at com.alibaba.fastjson.parser.ParserConfig.createJavaBeanDeserializer(ParserConfig.java:1075)
at com.alibaba.fastjson.parser.ParserConfig.getDeserializer(ParserConfig.java:882)
at com.alibaba.fastjson.parser.ParserConfig.getDeserializer(ParserConfig.java:592)
at com.alibaba.fastjson.parser.DefaultJSONParser.parseObject(DefaultJSONParser.java:679)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:396)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:300)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:573)
at com.rkhd.ienterprise.dbinfo.DbInfoTest.main(DbInfoTest.java:11)
Caused by: java.lang.ClassNotFoundException: java.time.LocalDateTime
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 13 more